some hacks to work around the lvm tools being stupid

* wipe md superblocks if we successfully create a pv (#130713)
* disable filtering for all of our creates.  I know better than the
  tools (#130706)

1 files changed, 13 insertions, 0 deletions

diff --git a/isys/isys.py b/isys/isys.py
index 8190359a1..8c09ebf48 100644
--- a/isys/isys.py
+++ b/isys/isys.py
@@ -78,6 +78,19 @@ def raidstart(mdDevice, aMember):
     os.close(fd)
     os.remove("/tmp/member")
 
+def wipeRaidSB(device):
+    try:
+        fd = os.open(device, O_WRONLY)
+    except OSError, e:
+        log("error wiping raid device superblock for %s: %s", device, e)
+        return
+
+    try:
+        _isys.wiperaidsb(fd)
+    finally:
+        os.close(fd)
+    return
+
 def raidsb(mdDevice):
     makeDevInode(mdDevice, "/tmp/md")
     return raidsbFromDevice("/tmp/md")